diff --git a/11/Dockerfile b/11/Dockerfile
index ddc68891be..2a8bd7df36 100644
--- a/11/Dockerfile
+++ b/11/Dockerfile
@@ -83,7 +83,7 @@ RUN set -ex; \
 	apt-key list
 
 ENV PG_MAJOR 11
-ENV PG_VERSION 11.8-1.pgdg90+1
+ENV PG_VERSION 11.9-1.pgdg90+1
 
 RUN set -ex; \
 	\